Reputation: 33
I'm trying to get the JSON data from REST (swift 2.3) with rxSwift and Alamofire. This is my code:
func getArticles(articlesReq: ArticlesReq) - > Observable < [Article] > {
return Observable < [Article] > .create {
observer in
let request = Alamofire.request(.POST, apiPath, parameters: DataHelper().convertStringToDictionary(JSONString), encoding: .JSON)
.responseArray {
(response: Response < [Article], NSError > ) in
if let articlesArray = response.result.value {
observer.on(.Next(articlesArray))
}
observer.on(.Completed)
}
return AnonymousDisposable {
request.cancel()
}
}
}
getArticles(articlesReq).observeOn(MainScheduler.instance)
.subscribe(
onNext: {
data in
print(data)
},
onError: {
error in
print(error)
},
onCompleted: {
print("Completed")
},
onDisposed: {
print("Disposed")
}
).addDisposableTo(db)
onDisposed return data before Alamofire.request return data (onNext, onError, onCompleted not return data ). How to wait for a response?
Upvotes: 3
Views: 1474
Reputation: 1882
Try to keep a strong reference to disposbag
like this:
let disposeBag = DisposeBag()
func setupRx() {
getArticles(articlesReq).observeOn(MainScheduler.instance)
.subscribe(onNext: {
print("onNext")
// ... use $0 parameter
}, onError: {
print("onError")
// ... use $0 parameter
}, onCompleted: {
print("onCompelete")
}, onDisposed: nil)
.addDisposableTo(disposeBag)
}
Your disposeBag
should live longer than response.
Hope this may help.
Upvotes: 1